JP3548303B2 - camera - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a camera, and more particularly to a camera body component, that is, a camera body.
[0002]
[Prior art]
As is well known, the main body constituting member as a camera body is conventionally formed in a box shape, and each unit such as a finder unit also formed in a box shape is combined with a unit such as a screw using a screw or the like. Had to be configured.
[0003]
5 and 6 are schematic views showing a first conventional example of this type of camera body, FIG. 5 is a front view of a main body component 1 of the camera, and FIG. 6 is a plan view of the main body component 1. . As shown in these figures, the main body constituting member 1 is formed in a box shape, and a circular opening 1a for mounting a zoom lens unit and the like is formed in a substantially central portion of the front surface thereof. An aperture 1b is bored on the rear surface of the main body.
A film cartridge chamber 1d is provided on the left side of the opening 1a in the main body component 1, and a film winding chamber (spool) is provided on the right side of the opening 1a in the main body component 1. 1c is provided.
[0004]
The finder unit 2 is integrated with the main body constituting member 1 at approximately the center of the upper surface thereof by screws or the like. Although not shown, the finder unit 2 is equipped with a finder optical system, a light projecting unit and a light receiving unit for AF (auto focus), and the like.
[0005]
The main body constituting member 1 constitutes a structure which is formed in this way and serves as a main body inside the camera. Therefore, the upper surface and the lower surface of the main body constituting member 1 of the first conventional example are not provided with openings that are continuous toward the front surface, the rear surface, the side surface, and the like.
[0006]
7 and 8 are schematic views showing a second conventional example of this type of camera body. FIG. 7 is a front view of a main body constituent member 11 of the camera, and FIG. 8 is a plan view of the main body constituent member 11. It is. In the second conventional example, the main body constituting member 11 has a rectangular through-hole penetrating the upper surface wall at a portion of the upper surface near the film cartridge chamber 11d in order to mount the finder unit 12 coupled to the upper surface with good space efficiency. A hole 11 e is formed, and the through hole 11 e is extended toward the front end face of the main body constituent member 11, so that an opening 11 f is formed in the front end face of the main body constituent member 11.
[0007]
The through-hole 11e is provided in this manner, and the finder unit 12 on which the finder optical system, the light projecting unit and the light receiving unit for AF are mounted, is placed almost in the middle of the upper surface of the main body constituting member 11, and If a part of the unit 12 is dropped into the hole 11e and the unit 12 is connected to the main body constituting member 11 with a screw or the like, the camera main body becomes small. Other configurations are the same as those of the first conventional example. That is, a circular opening 11a for attaching a zoom lens unit or the like is formed at a substantially central portion of the front surface of the main body constituting member 11 formed in a box shape, and an aperture 11b is formed at a rear surface facing the opening. Has been established. A film cartridge chamber 11d is provided on the left side of the opening 11a, and a film winding chamber (spool chamber) 11c is provided on the right side of the opening 11a.
[0008]
The main body component member 11 of the second conventional example forms a structure which is formed in this way and serves as a backbone inside the camera. The upper surface of the main body component member of the second conventional example has A through hole 11e for unit assembly is provided which extends toward the front surface and forms an opening 11f in the front surface.
[0009]
[Problems to be solved by the invention]
By the way, in the first conventional example configured as described above, since the main body constituent members and each unit have a box structure and are configured to be integrated by combining them, the size of the camera is increased. There is a disadvantage that it will. In this regard, if a through hole for assembling a unit is provided on the upper surface of the main body constituting member and a finder unit or the like is attached thereto as in the second conventional example, the camera can be downsized.
[0010]
However, when the through-holes are provided in the main body constituting member, the strength of the main body constituting member is reduced, and a driving force for moving the lens during zooming or focusing of the photographing lens is transmitted to the finder unit, and the unit is moved. Problems such as the finder image fluctuating due to deformation and the AF data being shifted depending on the zooming position occur.
[0011]
An object of the present invention is to eliminate such a conventional problem and to provide a small-sized camera without reducing the strength of a main body constituting member, that is, a camera body.
[0012]
[Means for Solving the Problems]
In order to achieve the above-described object, a camera according to the present invention includes a main body constituting member constituting a camera main body, a finder unit coupled to the main body constituting member, and an upper surface or a lower surface of the main body constituting member. A through hole penetrating the member forming the upper surface or the lower surface, an opening formed by extending the through hole to the front end surface or the rear end surface of the main body constituting member, A reinforcing member provided on a side edge of the opening.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to illustrated examples.
1 and 2 are a front view and a plan view of a main body constituting member of a camera according to a first embodiment of the present invention.
[0014]
The configuration of the main body constituent member 21 in the first embodiment is almost the same as the main body constituent member 11 in the second conventional example described above. That is, the main body constituent member 21 has a horizontally long rectangular box shape, and a circular opening 21a for attaching a zoom lens unit or the like to a substantially central portion of the front surface of the main body constituent member 21 formed in the box shape. Is formed, and an aperture 21b is formed in the rear surface facing the hole. Further, a film cartridge chamber 21d is provided on the left side of the opening 21a and a film winding chamber (spool chamber) 21c is provided on the right side of the opening 21a.
[0015]
In order to connect the finder unit 22 mounted on the upper surface of the main body constituent member 21 with good space efficiency, a rectangular through hole 21e extending in the front-rear direction penetrating the upper surface wall is formed in a portion of the upper surface near the film cartridge chamber 21d. Is established. The through-hole 21 e extends toward the front end face of the main body component 21, so that an opening 21 f is formed in the front end face of the main body component 21. That is, the opening 21f is formed by a cutout formed by cutting the main body constituent member 21 from the front surface to the rear surface.
[0016]
The through-hole 21e provided in this manner is placed almost in the middle of the upper surface of the main body constituting member 21 and has a finder optical system, a light projecting unit and a light receiving unit for AF (light emitting unit and light receiving unit). Part may be removed), a part of the finder unit 22 on which the finder unit 22 is mounted is dropped, and the finder unit 22 is placed almost in the middle of the upper surface of the main body constituting member 21. It is connected to the main body constituent member 21.
[0017]
The opening 21f is provided with a reinforcing member 23 which is connected to the opening 21f so as to bridge the opening 21f and has both ends on the side edges of the opening 21f. The reinforcing member 23 is formed by forming a member made of a strong material such as high-strength (rigid) plastic or metal into a partial arc shape or a rod shape as shown in the figure, and connects both ends of the opening 21f on the front surface of the main body constituting member 21. And both ends thereof are fixed to the front surface of the main body constituting member 21 by bonding, brazing, screwing, or the like.
[0018]
According to the first embodiment configured as described above, the reduction in the strength of the main body constituting member 21 due to the perforated opening 21f is reinforced by the reinforcing member 23 that bridges the opening 21f. The camera main body can be made small without causing a decrease in the strength of the main body constituent member 21.
[0019]
FIGS. 3 and 4 are a front view and a plan view of a main body constituting member of a camera according to a second embodiment of the present invention.
[0020]
The configuration of the main body constituent member 31 in the second embodiment is almost the same as the configuration of the main body constituent member 21 in the above-described first embodiment, and only the reinforcing member 33 is different. Therefore, members having the same configuration as the configuration of the main body component member 21 in the first embodiment are denoted by the reference numerals obtained by adding the numeral 10 to avoid duplication of the description.
[0021]
The reinforcing member 33 in the present embodiment is also formed of a member made of a strong material such as high-strength (rigid) plastic or metal, and has a ring shape. The ring-shaped reinforcing member 33 is provided at a substantially central portion of the front surface of the main body constituting member 31 and is formed in a cylindrical space through which a photographing light beam passes, that is, a circular opening 31 a for attaching a zoom lens unit and the like. It is arranged so as to surround the front side edge, and is fixed to the front surface of the main body constituting member 31 by bonding, brazing, screwing or the like.
[0022]
According to the second embodiment configured as described above, a part of the ring-shaped reinforcing member 33 is connected so as to bridge the perforated opening 31f, whereby the main body constituent member 31 is reinforced and the main body constituent member 31 is reinforced. The camera body can be made small without causing a decrease in the strength of the constituent member 31.
[0023]
In the first and second embodiments, the through holes 21e and 31e are provided on the upper surfaces of the main body constituting members 21 and 31 for mounting the finder units 22 and 32, and the through holes 21e and 31e are provided on the front surface. The opening 21f, 31f is formed on the front surface by extending to the front. However, this is applicable to the case where the film winding drive unit is attached to the lower surface of the main body constituting members 21, 31 or the strobe unit is connected to the main body constituting member. In the case of mounting on the side surfaces of the main components 21 and 31, through holes are formed in the lower surfaces and the side surfaces of the main body components 21 and 31, and the through holes are extended to the upper surface, the lower surface, the front end surface or the rear end surface of the main body components. May be formed, and a reinforcing member may be provided so as to bridge the opening with respect to the opening.
[0024]
"Appendix"
According to the embodiment of the present invention described in detail above, the following configuration can be obtained. That is, (1) a main body constituent member having an opening;
A reinforcing member erected in the opening,
A camera comprising:
[0025]
(2) a main body constituting member constituting the camera main body;
A through hole formed in the upper or lower surface of the main body constituting member, and penetrating a member forming the upper or lower surface;
An opening formed by extending the through hole to the front end surface or the rear end surface at the front end surface or the rear end surface of the main body constituent member;
A reinforcing member erected on a side edge of the opening,
A camera comprising:
[0026]
(3) In the above (1), the opening is formed by notching the main body constituting member from one of the front surface and the rear surface toward the other.
[0027]
(4) In the above (1), the opening is provided on an upper surface of the main body constituent member.
[0028]
(5) In the above (1), the opening is provided on a lower surface of the main body constituting member.
[0029]
(6) In the above (4) and (5), the opening extends to a side surface of the main body constituting member, and the reinforcing member is provided on the side surface.
[0030]
(7) In the above (6), the reinforcing member is provided so as to connect both ends of the opening in the side surface.
[0031]
(8) In the above (4) and (5), the opening reaches the front surface of the main body constituting member, and the reinforcing member is provided on the front surface.
[0032]
(9) In the above (1), the opening is provided on a side surface of the main body constituting member.
[0033]
(10) In the above (2), at least a part of another component constituting a part of the camera is inserted into the through hole.
[0034]
(11) In the above (1) and (2), the reinforcing member is formed in a rod shape.
[0035]
(12) In the above (11), the reinforcing member is provided so as to connect both ends of the opening in the front surface.
[0036]
(13) In the above (1) and (2), the reinforcing member is formed in a ring shape.
[0037]
(14) In the above (13), the reinforcing member is arranged so as to surround a front edge of a cylindrical space provided in the main body constituent member and through which a photographing light beam passes.
[0038]
(15) In (1) and (2), the reinforcing member is formed of high-strength plastic.
[0039]
(16) In the above (1) and (2), the reinforcing member is formed of metal.
[0040]
【The invention's effect】
As described above, according to the present invention, a reinforcing member that connects a reduction in strength of a main body component due to an opening formed to drop a part of a unit member attached to the main body component so as to bridge the opening. Therefore, the size of the camera body can be reduced without lowering the strength of the body constituent members.
[Brief description of the drawings]
FIG. 1 is a front view of a main body constituting member of a camera according to a first embodiment of the present invention.
FIG. 2 is a plan view of the main body constituting member of FIG. 1;
FIG. 3 is a front view of a main body constituting member of a camera according to a second embodiment of the present invention.
FIG. 4 is a plan view of the main body constituting member of FIG. 3;
FIG. 5 is a front view of a main body constituting member of a camera showing a first conventional example.
FIG. 6 is a plan view of the main body constituting member of FIG. 5;
FIG. 7 is a front view of a main body constituting member of a camera showing a second conventional example.
FIG. 8 is a plan view of the main body constituting member of FIG. 7;
[Explanation of symbols]
21, 31... Main body constituting members 21e, 31e... Through holes 21f, 31f... Openings 23, 33.

Claims (1)

A main body component constituting the camera main body;
A finder unit coupled to the main body component,
A through hole formed in the upper or lower surface of the main body constituting member, and penetrating a member forming the upper or lower surface;
An opening formed in the front end face or the rear end face of the main body component member by extending the through hole to the front end face or the rear end face;
A reinforcing member erected on the side edge of the opening,
A camera comprising:

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